Smalls explained to her fellow passengers that Customs and Border Patrol officers didn’t have the authority to undertake certain enforcement activities because the bus was not within 100 miles of an external boundary of the United States.

“They have no authority to ask you for anything,” she said.

She even used Google translate to help her deliver the same message in Spanish.

Smalls said the woman seated next to her, who didn’t speak English, “looked terrified.”

Smalls loudly accused the agents of harassment and racial profiling, exclaiming they had “no legal right or jurisdiction here,” she wrote in the Facebook post.

Her resistance paid off — the Border Patrol agents allegedly retreated and told the bus driver to “go ahead.”

“These Border Patrol officers act like they do because they expect people to be afraid of them and just comply,” Smalls wrote on Facebook.

Smalls urged others to speak up, too.

“Use your voice. Take a risk,” she said. “Because if you let them intimidate the poor Spanish-speaking woman next you, who do you think they’re coming for next?”

Smalls said she simply “did what I thought was right.”

"I didn’t do what I did, or share it for accolades or thanks … all I wanted to do was let people know that (they) can and should speak up … even if that means risking being arrested.”